. >> all week, they have been burying the dead in newtown, connecticut, and all week, the argument over the kind of guns available in america and the kind of people that can get all of them. it has gone back and forth. while the fire he said raged, the gunman killed himself. he had already spent 17 years in prison for killing his grandmother. as a convicted criminal, he was not allowed to possess firearms. a cold christmas awaits the families of two firefighters. bbc news, washington. >> in afghanistan, at least seven security officials including an american adviser have been killed by local police officers. in the first shooting, a policewoman opened fire inside the police headquarters, killing the americans. it is the first time a female member of the afghan services has turned on a member of the nato force. a report. >> the 33-year-old was a sergeant with the afghan national police, and earlier this morning, the woman shot and killed a civilian adviser. according to officials, she had planned to kill senior afghan officials but could not find any so shot the advisor instead. at the p